[UPDATE] Monogram Kingdom Hearts Series 4 Keychains now available at Entertainment Earth in a 6-pack or Case; also available at Hot Topic and Box Lunch

Entertainment Earth has begun selling Series 4 of the Monogram Kingdom Hearts keychains. Series 4 includes Kingdom Hearts III Sora, Kairi, Dusk Nobody, Mickey, Ventus, Anti-Aqua, Vanitas, Riku, Marluxia, Flood Unversed, and Void Gear.

You can buy a set of 6 for $34.99 or a Display Case for $139.99. *NOTE: the bags are at random* Series 4 was announced back in July.

UPDATE (Feb 19, 2020): Hot Topic and Box Lunch has also begun selling Series 4. You can buy a blind back for $6.90 each.

Thanks to @churroz for the tip!